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CBS350-48FP-4X-NA
Cisco CBS350-48FP-4X-NA Business 350 48-Port Gigabit PoE+ Sw...
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CBS350-48FP-4X-NA is a discontinued managed Layer 2+ access switch combining 48 Gigabit Ethernet PoE+ ports with four fixed 10G SFP+ uplinks in a 1U rack-mount chassis. The Cisco Business 350 Series serves small office networks carrying computer traffic, IP telephony, wireless access, and surveillance connections. Copper access ports connect and power endpoints, while the built-in fiber interfaces provide aggregation links without a removable uplink card. Voice VLAN assignment separates telephone traffic, and private VLANs provide isolation for shared network connections. The discontinued CBS350-48P-4X-NA sibling carries a 370W PoE budget for lower aggregate endpoint demand. Internal AC power and one cooling fan are part of the as-shipped configuration.
CBS350-48FP-4X-NA price for new stock is $2,023.35, a 33.9% saving from the Cisco list price of $3,062.45. CBS350-48FP-4X-NA refurb price is $1,857.45. CBS350-48FP-4X-NA is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for CBS350-48FP-4X-NA for additional pricing. Browse the full Cisco CBS350 Business Switches series or explore all Cisco products.
176 Gbps switching capacity supports nonblocking traffic across the access and uplink interfaces. 130.94 Mpps forwarding supports wire-speed handling of 64-byte packets. 740W of shared PoE budget requires endpoint power allocation rather than an assumption of maximum draw on every powered port. Static routing, RIP v2, and PBR provide local routing and policy-selected next hops, with 990 static routes supported. CBS350-48FP-4X-NA uses 512 MB of DRAM and 256 MB of flash for configuration and image handling, while its 3 MB packet buffer is dynamically shared across ports. STP, RSTP, MSTP, and LACP support loop control and aggregated connections. The Business 350 series offers browser-based configuration and CLI access; SNMP integrates monitoring with a network management station. 889.35W worst-case PoE-inclusive consumption at 110V provides the maximum figure to use when checking circuit and UPS capacity, rather than sizing electrical service from endpoint power alone.
Specify CBS350-48FP-4X-NA in new sealed or certified refurbished condition, and confirm the quantity, uplink accessories, and regional power cord on the purchase order. Certified refurbished units are inspected and bench-tested for power-on and POST, every port linking at rated speed, clean boot, PoE output under load on every powered port, and optics bay recognition; firmware is verified and configurations are wiped to factory default. ORM provides up to a 3-year extended warranty on new units and up to 1 year on certified refurbished units, with 30-day returns on both conditions; terms apply. Enterprise and volume orders can use accepted POs, government Net-30, and RMA with advance replacement across UK, EU, US, and MEA regional stock and RMA operations.
| Key Specs | Key Spec Values |
|---|---|
Port Configuration | 48 x 1G PoE+ / 4 x 10G SFP+ |
PoE Budget | 740W shared |
Stacking | Hardware stacking / 4 members |
Replaces | SG350X-48MP-K9-NA EOS October 30, 2021 / SG550X-48MP-K9-NA EOS July 30, 2022 |
Lifecycle Status | End of sale October 29, 2024 |
Replacement PID | C1300-48FP-4X |
When an office needs routing between local network segments, the switch supports 128 IP interfaces on physical ports, link aggregation groups, VLAN interfaces, or loopbacks. That interface ceiling is separate from the static-route allowance. Inventory gateway interfaces and next-hop policies before specifying the switch on the purchase order.
When extending an installed Business 350 stack, ring and chain layouts support active and standby stack control plus link aggregation across members. Inter-switch connections use 10G interfaces, so the physical layout affects available uplink connections. Specify stack topology, link reach, and the connections reserved for stacking before the PO.
When standardizing several offices, text-editable configuration files can be transferred between switches, and SCP protects configuration downloads. CLI privilege levels 1, 7, and 15 support different administrative roles. Define the configuration baseline, administrator access, and staging requirements before ordering identical regional variants for each site.
Ongoing Cisco security software maintenance
Security remedies and software maintenance ended October 29, 2025 for CBS350-48FP-4X-NA. C1300-48FP-4X is the current replacement for purchases outside the discontinued Business 350 line.
Multigigabit copper access ports
CBS350-48FP-4X-NA copper access ports operate at 10/100/1000 Mbps, not 2.5G or 5G. Faster SFP+ uplinks do not raise endpoint link speeds or provide multigigabit access connections.
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| CBS350-48FP-4X-NA |  CBS350-48XT-4X |  CBS350-24P-4G |  CBS350-16T-2G |  CBS350-8P-2G-NA | |
|---|---|---|---|---|---|
| Depth | 350 mm | 450 mm | 299 mm | 272 mm | 272 mm |
| Ethernet Technology | Gigabit Ethernet | 10 Gigabit Ethernet | Gigabit Ethernet | Gigabit Ethernet | Gigabit Ethernet |
| Flash Memory | 256 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Form Factor | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 1U | Desktop | Desktop |
| Height | 44 mm | 44 mm | 44 mm | 44 mm | 44 mm |
| Manufacturer Part Number | CBS350-48FP-4X-NA | CBS350-48XT-4X | CBS350-24P-4G | CBS350-16T-2G | CBS350-8P-2G-NA |
| Memory | 512 MB | 512 MB | 512 MB | 512 MB | 512 MB |
| Power Consumption | 889.35W | 234.4W | 239.7W | 18.63W | 83.17W |
| Switching Capacity | 176 Gbps | 1040 Gbps | 56 Gbps | 36 Gbps | 20 Gbps |
| Weight | 5.82 kg | 7.29 kg | 3.53 kg | 1.78 kg | 2.59 kg. |
| Width | 445 mm | 440 mm | 445 mm | 268 mm | 268 mm |
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Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
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CBS350-48FP-4X-NA identifies a Cisco Business 350 switch: CBS350 is the series, 48 denotes the copper access-port count, FP identifies the 740W PoE+ configuration, and 4X denotes four 10G SFP+ uplinks. NA is the regional ordering suffix covering the United States, Canada, Mexico, Colombia, Chile, and other Latin American markets.
The Cisco Business 350 series is managed through its web UI, full or menu-based CLI over console, SSH or Telnet, SNMP, Cisco Business Dashboard, and the Cisco Business mobile app. An embedded Dashboard probe removes the need for a separate probe appliance. Cisco Network Plug and Play supports device provisioning.
Yes, CBS350-48FP-4X-NA reached end of sale on October 29, 2024, and software maintenance and security support ended October 29, 2025. Eligible hardware service and support continue until October 31, 2029. C1300-48FP-4X is the current replacement, so remaining hardware coverage must not be mistaken for continuing software maintenance.
New sealed and certified refurbished CBS350-48FP-4X-NA units are offered. ORM provides up to a 3-year extended warranty on new units and up to 1 year on refurbished units, plus 30-day returns; terms apply. Cisco's eligible limited lifetime hardware warranty, with next-business-day advance replacement where available, ends October 31, 2029.
CBS350-48FP-4X-NA replaces SG350X-48MP-K9-NA and SG550X-48MP-K9-NA from the earlier Gigabit PoE stackable lineups. Their end-of-sale dates were October 30, 2021 and July 30, 2022, respectively. Both older products are discontinued, and CBS350-48FP-4X-NA is also discontinued. C1300-48FP-4X is the current forward replacement for new network purchases.
CBS350-48FP-4X-NA provides a 740W shared PoE budget across 48 powered access ports, with PoE and PoE+ support. The full-power configuration increases aggregate endpoint power availability, but the budget remains a switch-wide allocation. Size the combined demand of phones, access points, and cameras rather than treating each port's capability as independently available.
CBS350-48FP-4X-NA has four SFP+ uplinks supporting 10G and 1G operation. Supported 10G choices include SFP-10G-SR for multimode fiber, SFP-10G-LR for single-mode fiber, and SFP-H10GB-CU1M for a 1 m copper connection. Order the selected accessories separately and match the remote interface, link medium, and distance before installation.
A Cisco Business 350 hardware stack contains a maximum of four supported switches, and CBS350-48FP-4X-NA supports that stacking capability. The stack combines management, control, and forwarding, with active and standby control and ring or chain layouts. Inter-switch links use 10G interfaces, which must be included when planning connection assignments.
The Cisco Business 350 series supports static IPv4 routing, RIP v2, PBR, and IPv6 routing. The static IPv4 allowance is 990 routes, with 128 IP interfaces available across physical ports, link aggregation groups, VLAN interfaces, and loopbacks. The static-route allowance is not a separate published total for every routing mode.
CBS350-48FP-4X-NA requires 1U of rack space and measures 445 mm wide, 350 mm deep, and 44 mm high, with a weight of 5.82 kg. A mounting kit is included with the base package. Check usable rack depth and confirm that the mounting hardware is included with the ordered condition.
CBS350-48FP-4X-NA uses an internal AC supply accepting 100-240V AC at 50-60 Hz. Worst-case consumption including PoE is 889.35W at 110V and 865.02W at 220V. Those figures include switch operation and powered endpoints; use the applicable voltage figure when checking branch-circuit and UPS capacity before ordering.
CBS350-48FP-4X-NA provides a 740W PoE budget, compared with 370W on CBS350-48P-4X-NA. Both models are discontinued. For matching an existing installation, the full-power version accommodates greater combined endpoint demand; the lower-budget variant suits installations whose powered devices remain within its allocation. Select by aggregate endpoint power requirements rather than port count alone.
CBS350-48FP-4X-NA carries four 10G SFP+ uplinks, while CBS350-48FP-4G-NA carries four 1G SFP uplinks. Both models are discontinued. The 4X configuration serves installations requiring 10G aggregation connections; the 4G configuration matches existing Gigabit fiber uplinks. Confirm the distribution-port speed and installed optics before choosing an existing-network replacement unit.
CBS350-48FP-4X-NA is discontinued, while C1300-48FP-4X is its current Catalyst 1300 replacement. The replacement retains the 48-port Gigabit full-PoE configuration with four 10G SFP+ uplinks. The older model serves exact-part matching in installed networks; C1300-48FP-4X is the current migration choice for buyers moving beyond the discontinued Business 350 line.
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